74 lines
1.9 KiB
C++
74 lines
1.9 KiB
C++
// Copyright 2020 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <stdio.h>
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#include <stdint.h>
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#include <libexif/exif-loader.h>
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void content_func(ExifEntry *entry, void *user_data) {
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char buf[10000];
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exif_entry_get_value(entry, buf, sizeof(buf));
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}
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void data_func(ExifContent *content, void *user_data) {
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exif_content_foreach_entry(content, content_func, NULL);
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}
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static void
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test_exif_data (ExifData *d) {
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unsigned int i, c;
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char v[1024], *p;
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ExifMnoteData *md;
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md = exif_data_get_mnote_data (d);
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if (!md) {
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return;
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}
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exif_mnote_data_ref (md);
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exif_mnote_data_unref (md);
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c = exif_mnote_data_count (md);
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for (i = 0; i < c; i++) {
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const char *name = exif_mnote_data_get_name (md, i);
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if (!name) {
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break;
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}
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exif_mnote_data_get_title (md, i);
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exif_mnote_data_get_description (md, i);
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exif_mnote_data_get_value (md, i, v, sizeof (v));
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}
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}
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
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ExifLoader *loader = exif_loader_new();
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ExifData *exif_data;
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if (!loader) {
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return 0;
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}
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exif_loader_write(loader, const_cast<unsigned char*>(data), size);
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exif_data = exif_loader_get_data(loader);
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if(!exif_data) {
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exif_loader_unref(loader);
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return 0;
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}
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exif_data_foreach_content(exif_data, data_func, NULL);
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test_exif_data (exif_data);
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exif_loader_unref(loader);
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exif_data_unref(exif_data);
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return 0;
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}
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